Zobrazeno 1 - 10
of 17
pro vyhledávání: '"C R, Krause"'
Autor:
C. R. Krause, M. T. Panciera
Publikováno v:
Crop Science. 37:1292-1296
Chemical drying agents reduce the curing time of alfalfa (Medicago sativa L.), but mechanisms have not been defined to explain this reduction. This study was conducted to define the physical effects of drying agents on alfalfa stem surfaces and to de
Publikováno v:
Communications in agricultural and applied biological sciences. 74(1)
Information is lacking on spray techniques to reduce off-target loss on the ground and via spray drift from the treated area in nursery applications. Airborne deposits at three elevations on sampling towers and on the ground at several distances from
Publikováno v:
Communications in agricultural and applied biological sciences. 73(4)
Understanding the evaporation of pesticide droplets and wetting of Leaf surfaces can increase foliar application efficiency and reduce pesticide use. Evaporation time and wetted area of single pesticide droplets on hairy and waxy geranium leaf surfac
Publikováno v:
Canadian Journal of Forest Research. 20:117-120
The effect of ozone and acidic fog on the epicuticular wax structure of elongating red spruce (Picearubens Sarg.) was examined. Needle exposure to 70 and 250 ppb ozone for 11 weeks resulted in a coalescence of crystalline tube ends within epistomatal
Publikováno v:
Phytopathology. 80:764
Calli of American elm susceptible and resistant to Dutch elm disease were exposed to a culture filtrate of a pathogenic isolate of Ceratocystis ulmi. Cells from untreated tissue exhibited typical internal composition associated with healthy, actively
Autor:
C. R. Krause
Publikováno v:
Proceedings, annual meeting, Electron Microscopy Society of America. 43:628-631
To the casual observer it seems that abiotic diseases induced by nonliving or noninfectious agents, generally, have been ignored by plant pathologists in lieu of diseases caused by biotic agents (ie. fungi, bacteria, nematodes etc.) or viruses. The a
Autor:
C. R. Krause, Charles O. Rexrode
Publikováno v:
Annals of the Entomological Society of America. 61:814-816
Two ground phloem media were developed for rearing larvae of 2 species of oak bark beetles, Pseudopityophthorus pruinosus (Eichhoff) and P. minutissimus (Zimmerman). Larval survival averaged 88.1% with microbial inhibitors in the medium. Without micr
Publikováno v:
New York state journal of medicine. 86(12)
Autor:
C R, Krause
Publikováno v:
NLN publications. (20-2191)
Publikováno v:
Journal of chemical ecology. 14(1)
Reactions of lesser peachtree borer [Synanthedon pictipes (G&R)] to volatiles of peach wood, either natural or chemically fractionated, were observed. Mated females were stimulated by and responsive to such materials and deposited significantly more